Performance parameters:
* Optical interface：SC
* Electric interface: RS-422/RS-485/RS-232 Adoption terminal
* Electric standard: RS232, RS485, RS422 and power supply for the 10-hole terminal
* Transmission rate: 0~115.2Kbps
* Transmission distance: 2 km for multi-mode
* Working mode: asynchronous half/full duplex
* Wavelength: 820nm multi-mode 1310nm multi-mode
* Power supply: DC 9V-24V 
* Indicator light: 3 LED indicators for PWR, TX and RX
* Working environment: -20℃ to 70℃, relative humidity 0% to 95%.

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  HighTek HK-9002

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  HighTek HK-9003